the ECA stack will help increase insulin sensitivity, but u will also use too much glycogen on it, esecially if u dunt feed on sugar during your 130 bpm. 130bpm only, just enough for a stronger heart. forskolin is the best 4 ur off days on the ECA. on both substances you will NEED 2 eat more. forskolin, more starch+protein 30min after and fats throughout the day. ECA, eat more the next day.